Average Co-Inventor Count = 5.00
ph-index = 1
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. Nippon Pillar Packing Co., Ltd. (1 from 274 patents)
1 patent:
1. 9644774 - Welding joint and welding method for same, welding device, welding joint, resin pipe welding device and welding method